Canada’s biggest banks saw the country’s major lenders move in lockstep ahead of a projected economic downturn, with each putting more money away for a possible rise in credit losses.Experts say the more expensive cost of borrowing in Canada and the possibility of job losses could catch up to households and push a growing number into default, though some believe the worst of the debt pain is likely at least a year away.Canada’s big six banks — TD Bank, RBC, BMO, Scotiabank, CIBC and National Bank — all reported earnings for their first fiscal quarters this week, with similar-sounding results.